Ultrak 494 Stopwatch 60 dual split recallable memory Electro-luminescent light for night vision Lap and cum splits Continuous display of event time Memory recall during operation Large 3 row display Measures up to 10 hours Lap counter Presettable pacer Countdown timer Time, calendar, and alarm Water-resistant 300 dual split recallable memory 5 year warranty Battery No. 2032 lithium